Verrill AE. (1866). On the Polyps and Echinoderms of New England, with Descriptions of new species. <em>Proceedings of the Boston Society of Natural History.</em> 10: 333-364., available online athttps://www.biodiversitylibrary.org/page/9492315[details]
ERMS (2021). Psolus regalis Verrill, 1866. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=124712 on 2026-09-10
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Psolus regalis Verrill, 1866. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=124712 on 2026-09-10
original descriptionVerrill AE. (1866). On the Polyps and Echinoderms of New England, with Descriptions of new species. <em>Proceedings of the Boston Society of Natural History.</em> 10: 333-364., available online athttps://www.biodiversitylibrary.org/page/9492315[details]
basis of recordHansson, H.G. (2001). Echinodermata, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i>. 50: pp. 336-351. (look up in IMIS) [details]